ScienceDaily Health Headlines -- for Saturday, November 22, 2008

New Cause Of Fatal Brain Injury From Acute Viral Meningitis (November 21, 2008) -- What was once thought to be the culprit responsible for fatal brain damage in acute viral meningitis has now been found to be only an accomplice, say researchers at the Scripps Research Institute. ... > full story

Visual Impairment: Promising Treatment For Anti-VEGF And Retinopathy Of Prematurity Described (November 21, 2008) -- A clinical study offers a promising new treatment for retinopathy of prematurity. ROP is often difficult to resolve using current treatments and can result in permanent, severe visual impairment in premature infants when treatment is unsuccessful. ROP encompasses a series of damaging changes in the retina, the area at the back of the eye that relays images to the brain's visual center. ... > full story

DVR Fast-forwarding May Not Be Fatal To TV Advertising (November 21, 2008) -- With the advent of digital video recorders and products like TiVo, viewers can fast-forward past commercials while playing back their favorite shows. Researchers found that viewers can retain valuable brand information even from an ad glimpsed for a fraction of its actual length. However, they also found that ads with brand information located on the periphery of the TV screen are of virtually no value. ... > full story

Non-white Med Students Reject Therapies Associated With Their Culture, Study Finds (November 21, 2008) -- Non-white medical students are more likely to embrace orthodox medicine and reject therapies traditionally associated with their cultures. That is one finding from an international study that measures the attitudes of medical students toward complementary and alternative medicine (CAM). While seemingly counter-intuitive, white students view CAM more favorably than their non-white counterparts, the study authors say. ... > full story

Children Of Centenarians Live Longer, Have Lower Risk Of Heart Disease, Stroke, Diabetes (November 21, 2008) -- Centenarian offspring (children of parents who lived to be at least 97 years old) retain important cardiovascular advantages from their parents compared to a similarly-aged cohort. ... > full story

Calorie Restriction And Exercise Show Breast Cancer Prevention Differences In Postmenopausal Women (November 21, 2008) -- Scientists have identified pathways by which a reduced-calorie diet and exercise can modify a postmenopausal woman's risk of breast cancer. ... > full story

Uncertainty Can Be More Stressful Than Clear Negative Feedback (November 21, 2008) -- We are faced with uncertainty every day. Will our investments pay off? Will we get the promotions we are hoping for? When faced with the unknown, most people experience some degree of anxiety and discomfort. Exactly how much anxiety someone experiences during uncertain times depends on his or her personality profile. ... > full story

Simple Blood Test For Colon Cancer: New Early-warning Test Detects Polyps Before Cancer Sets In (November 21, 2008) -- Researchers in Israel have developed a simple early-warning test that can detect colon cancer in the blood. Using biomarkers, it is the first test on the market that can detect cells of colon polyps the precursors to colon cancer in the blood, with a very high degree of sensitivity and accuracy. ... > full story

Male Birth Defect Associated With Certain Genetic Mutations, Study Finds (November 21, 2008) -- A small percentage of males born with cryptorchidism (failure of one or both testicles to descend into the scrotum), the most frequent congenital birth defect in male children, are more likely to have genetic mutations, including for a syndrome that is a common genetic cause of infertility, according to new study. ... > full story

Brain Reorganizes To Adjust For Loss Of Vision (November 21, 2008) -- A new study shows that when patients with macular degeneration focus on using another part of their retina to compensate for their loss of central vision, their brain seems to compensate by reorganizing its neural connections. Age--related macular degeneration is the leading cause of blindness in the elderly. The study appears in the journal Restorative Neurology and Neuroscience. ... > full story

Why Only Some Former Smokers Develop Lung Cancer (November 21, 2008) -- Canadian researchers are trying to answer why some smokers develop lung cancer while others remain disease free, despite similar lifestyle changes. ... > full story

Brain Compound 'Throws Gasoline Onto The Fire' Of Schizophrenia (November 21, 2008) -- New research has traced elevated levels of a specific compound in the brain to problem-solving deficits in patients with schizophrenia. The finding suggests that drugs used to suppress the compound, called kynurenic acid, might be an important supplement to antipsychotic medicines, as these adjuncts could be used to treat the disorder's most resistant symptoms -- cognitive impairments. ... > full story


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